Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
5th January 2010
- 1Concentration, Yield and Atom Economy
Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
- 2Chemical Changes
State the pH value of a neutral solution.
- 3Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.
- 4Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 5Energy Changes
Using the values in the previous question, calculate the overall energy change for the reaction.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent GCSE Science sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of January 2010, including the monthly compilation PDF.